Bump aws-sdk from 2.553.0 to 2.556.0

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.553.0 to 2.556.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Changelog](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js/compare/v2.553.0...v2.556.0)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

yarn.lock

@@ -1343,9 +1343,9 @@ autoprefixer@^9.4.7:
     postcss-value-parser "^4.0.2"
 
 aws-sdk@^2.345.0:
-  version "2.553.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.553.0.tgz#a82c611015138db8f720e0079fe929a65b359a8e"
-  integrity sha512-tcITF/3ijBumvP13Qrq/VB1eRWW6szKF0xVwZ/ch0MGkaEiTQ9n3zNRPtQc1drllsVEm5u5aXp3inoi5zmq0xg==
+  version "2.556.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.556.0.tgz#5c96bacf7942b530b20c94f3307e6650a97fd7be"
+  integrity sha512-qILMUNl/a7FYWU67Y24OGsXFhyDHM4qYdplMR2tps/g17pN9bEQ5ijxvGzW2T8VVyAsTanmn+dFyl/CH38pC5Q==
   dependencies:
     buffer "4.9.1"
     events "1.1.1"